Answer:

Step-by-step explanation:

Second equation times 3:

1st equation minus equation above:

Insert to equation:

Answer:
0.609663161
Step-by-step explanation:
(8/27)power5 = 5.57533755
(2/3)power7= 9.14494717
then, u just devide... from what i know
Answer:
FIRST ONE
Step-by-step explanation:
NO NUMBER REPEATS ITSELF
Answer: 231.3 repeating!
Step-by-step explanation: I used the calculator